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How to deal with the serial number error when swiping the card in Westsoft system?
The processing method for the wrong serial number of card swiping in Westsoft system is as follows:

1. The USB interface between the card reader and the computer is loose or in poor contact. You can unplug the ports on both sides and reinstall them.

2. The 2.USB interface is plugged into the wrong port. You can plug the USB interface into the original port and install the latest driver.